Published on in Vol 7, No 6 (2018): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9778, first published
.
1 School of Computing, Faculty of Technology, University of Portmouth, Portsmouth, United Kingdom
2 School of Pharmacy and Biomedical Sciences, Faculty of Science, University of Portmouth, Portsmouth, United Kingdom